What it is

Youth shoulder instability ranges from repeated slips to complete dislocations. Some cases follow a single traumatic event. Others reflect generalised laxity where the capsule is loose in several directions. Multidirectional instability is characterised by giving way during daily tasks and sports.

Management builds control and strength. Surgery is reserved for recurrent traumatic cases or persistent instability after a whole rehabilitation block.

What happens when it occurs

The labrum and capsule may be stretched or torn. The cuff and scapula lose their timing. Rehabilitation restores control in high-risk positions and builds strength at a range. Laxity cases need patient work on proprioception and endurance.

Common causes and risk factors

  • Tackles and falls in contact sports
  • Hyperlaxity and family history of loose joints
  • Previous dislocation or subluxation
  • Poor control in external rotation and abduction

Who is most affected

Teens and young adults in contact and overhead sports. Males present more often after traumatic events. Females feature more in laxity patterns.

Typical symptoms

  • Giving way or a sliding sensation with the arm out to the side
  • Pain with external rotation and overhead work
  • Weakness and apprehension during throwing or tackling

When to seek care

Immediate care for a suspected dislocation. Early review after reduction to plan rehabilitation and risk management.

How we diagnose

History of events, apprehension and relocation tests, strength and control measures, and imaging when needed. MRI arthrogram assesses the labrum and capsule in selected cases.

Management

  • Protection after acute events, then a progressive range
  • Strength for the rotator cuff and scapular stabilisers
  • Control drills in positions of risk, such as abduction with external rotation
  • Return to contact and overhead tasks after criteria-based testing
  • Surgical stabilisation for recurrent traumatic cases or persistent instability

Rehabilitation milestones

Phase 1 weeks 0 to 3: pain control, protected range, isometrics.

Phase 2 weeks 3 to 8: progressive range, strength, proprioception.

Phase 3 weeks 8 to 16: exposure to positions of risk, plyometric and sport drills.

Phase 4 months 4 to 6: contact and overhead testing, match preparation.

Readiness to progress

  • No apprehension in the end range
  • Strength and endurance within 90 per cent
  • Hop style upper limb tests completed without next-day flare

Prevention

  • In-season maintenance of control and strength
  • Graded contact exposure and tackling technique work
  • Avoid sudden spikes in overhead volume

Australia snapshot

  • Common in rugby league, rugby union, AFL, and court sports
  • Traumatic instability is more frequent in males in team sports
  • Access to reduction, imaging, and stabilisation is broad in metropolitan areas

Latest insights

Control in vulnerable positions is the key. Strong cuff and scapular muscles provide the anchor.

Laxity patterns respond to well-dosed proprioception and endurance work.

Frequently Asked Questions

Recurrence risk is higher in younger contact athletes. A strong programme and, for some, surgery reduce risk.

Helpful during early return-to-contact drills. Training control remains the priority.

Often, several months of criteria-based testing are required before a return.

No. Many improve with rehabilitation. Surgery is reserved for recurrent events or persistent instability.

Return once strength and control milestones are achieved and risks are mitigated.